Helvine Kudoh Y, Takeuchi Y Zeitschrift fur Kristallographie 173 (1985) 305-312 The effect of pressure on helvite Mn8S2[Be6Si6O24] Locality: Schwarzenberg, Saxony Sample: P = 40 kbar _database_code_amcsd 0010955 8.203 8.203 8.203 90 90 90 P-43n atom x y z Biso Mn .1708 .1708 .1708 .87 Be .5 0 .25 5.80 Si 0 .5 .25 .61 O .1382 .140 .4147 .58 S .5 .5 .5 3.1